Question: What is the citizenship of Henry Cavendish whose end cause is Acts of Union 1800?
Paraphrase: Henry Cavendish whose end cause is Acts of Union 1800, has a citizenship of what?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q131733 p:P27 ?s . ?s ps:P27 ?obj . ?s pq:P1534 wd:Q343100 }